Finding the Fourth Proportional to 7,987,084.74, 11,968,435.99 and 4,742,232.64
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Solution
The fourth proportional to 7,987,084.74, 11,968,435.99 and 4,742,232.64 is: 7,106,110.63
Step by Step Solution
- Step 1: Write the proportion equation
7,987,084.74 : 11,968,435.99 = 4,742,232.64 : x - Step 2: Convert to fraction form
7,987,084.74/11,968,435.99 = 4,742,232.64/x - Step 3: Cross multiply
7,987,084.74x = 11,968,435.99 × 4,742,232.64 - Step 4: Simplify right side
7,987,084.74x = 56,757,107,824,536.54 - Step 5: Solve for x
x = 56,757,107,824,536.54/7,987,084.74 - Step 6: Final answer
x = 7,106,110.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.